could shank
Verbo regular: shank - shanked- shanked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shank
you could shank
she could shank
we could shank
you could shank
they could shank 	I could be shanking
you could be shanking
she could be shanking
we could be shanking
you could be shanking
they could be shanking	I could have shanked
you could have shanked
she could have shanked
we could have shanked
you could have shanked
they could have shanked	I could have been shanking
you could have been shanking
she could have been shanking
we could have been shanking
you could have been shanking
they could have been shanking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not shank
you could not shank
she could not shank
we could not shank
you could not shank
they could not shank 	I could not be shanking
you could not be shanking
she could not be shanking
we could not be shanking
you could not be shanking
they could not be shanking	I could not have shanked
you could not have shanked
she could not have shanked
we could not have shanked
you could not have shanked
they could not have shanked	I could not have been shanking
you could not have been shanking
she could not have been shanking
we could not have been shanking
you could not have been shanking
they could not have been shanking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shank?
could you shank?
could she shank?
could we shank?
could you shank?
could they shank? 	could I be shanking?
could you be shanking?
could she be shanking?
could we be shanking?
could you be shanking?
could they be shanking? 	could I have shanked?
could you have shanked?
could she have shanked?
could we have shanked?
could you have shanked?
could they have shanked? 	could I have been shanking?
could you have been shanking?
could she have been shanking?
could we have been shanking?
could you have been shanking?
could they have been shanking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not shank?
could you not shank?
could she not shank?
could we not shank?
could you not shank?
could they not shank? 	could I not be shanking?
could you not be shanking?
could she not be shanking?
could we not be shanking?
could you not be shanking?
could they not be shanking? 	could I not have shanked?
could you not have shanked?
could she not have shanked?
could we not have shanked?
could you not have shanked?
could they not have shanked? 	could I not have been shanking?
could you not have been shanking?
could she not have been shanking?
could we not have been shanking?
could you not have been shanking?
could they not have been shanking?